Business Studies
1. A hospital wants to have a database to keep track of its patients, doctors, and wards. Construct an E-R diagram to model the business. Indicate the key for each entity type.
2. A small bank offers two types of accounts to local residents, checking and saving. To keep its transactions simple, the bank does not allow joint accounts. Please construct an E-R diagram to represent its database design. Indicate the key for each entity type.
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